Solution 11576: Algorithm Used for Calculating the Sine Regression On the TI-86, TI-83 Family, or TI-84 Plus Family.
...re errors.J? = sum[({a*cos(c)}*sin(b*x(k)) + {a*sin(c)}*cos(b*x(k)) + d - y(k))^2], for n = 1,2,...,nHence, the period/frequency guess can be used to compute the three parameters a*cos(c), a*sin(c) and d that minimize J? using linear regression methods. This gives us an initial guess at all the p...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11576
Solution 36979: "Unknown device" displays when I connect my TI-84 Plus family graphing calculator to the TI-Connect CE™ software
...d above for the TI-84 Plus family. Note: The TI-Nspire™ Handheld in TI-84 Plus Mode will also display as "Unknown device", TI Connect (v4.0) is the recommended connectivity software for this device configuration. Solution 36979: "Unknown device" displays when I connect my TI-84 Plus family graph...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/36979
Solution 11749: Factorials of Decimal (0.5) Numbers on Texas Instruments Graphing Calculators.
... Base Search Why do I get an answer when I factor numbers ending in .5 on my graphing calculator? Factorial is defined as: The factorial is computed recursively using the relationship, (n+1)! = (n+1)*n!, until n is reduced to either 0 or -1/2. At this point, the definitions, 0! = 1 or ...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/11749
Solution 28370: Redeeming Technology Rewards Points For Professional Development Courses
...nclude an email address (preferred) or other contact information with the request and points. 3. Register for the selected course on www.education.ti.com when notification of eligibility and a promotion code is received from TI TRP. 4. Enter the promotional code in the registration form (the regi...https://education.ti.com/en/customer-support/knowledge-base/ti-83-84-plus-family/product-usage/28370
Solution 10443: Sending a Program From a TI-86 to a TI-85 Using a TI Connectivity Cable.
...wever, TI-86 programs written in TI-BASIC can be sent to a TI-85 using a TI Connectivity cable by following the steps below:• Send the program to the computer using the TI-86 GRAPH LINK software and TI Connectivity cable. • On the TI-86 GRAPH LINK software, Go to File, Open, Locate the name of th...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10443
Solution 16829: Availability of the TI-86 Finance Application.
...ase note the Finance application for the TI-86 requires activation after installation. Once activated, the application can be run by using the "FIN" command on the MATH menu. This finance ASM program expands the TI-86's feature set to include Time-Value-of-Money(TVM), uneven cash flows, amortiza...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/16829
Solution 12177: Using the ZoomBox, ZoomIn, and ZoomOut Tools to Explore a Graph on the TI-89 Family, the TI-92 Family, and the Voyage™ 200.
...• From the Zoom menu, select 2:ZoomIn or 3:ZoomOut. A cursor appears and the screen prompts for New Center?• Move the cursor to the point that will become the new center to zoom in or out, and then press [ENTER]. The calculator adjusts the window variables. Please see the TI-89 family, TI-92 fami...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12177
Solution 12138: Font and Size of Characters Used on the TI-89 Family, TI-92 Family and Voyage™ 200 Graphing Calculators.
...hat gets installed on the PC along with most of Texas Instruments' Windows® applications (such as NoteFolio Creator™). It is called Ti92Pluspc on the computer. On the calculator, most of the characters are 5 pixels wide by 7 pixels high in the body of the display screen. The small font in the too...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12138
Solution 11842: Algorithm Used for Symbolic Integration Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...d by substitutions, integration by parts, and partial-fraction expansion, much as described by J. Moses in "Symbolic Integration: The Stormy Decade", Communications of the ACM, August 1971, Volume 14, Number 8, pp. 548-559. Antiderivatives are NOT computed by any of the Risch-type algorithms. Def...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11842
Solution 11866: Algorithm for the Taylor() Series Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...and Voyage 200 calculators? The algorithm for the taylor() function is as follows. taylor(u,x,n,a) is the sum(limit(d(u,x,k),x,a)*(x-a)^k/k!,k,0,n), computed iteratively to avoid redundant computation of lower-order derivatives.Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11866
Solution 11865: The isPrime() Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...eate these divisors, but cyclically adds the sequence of increments 2, 2, 4, 2, 4, 2, 4, 6, 2, 6 to generate these primes plus a few extra harmless composites. TI-92 Plus and TI-89 family start the same way, except that they stop this trial division after trial divisor 1021, then switch to a ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11865
Solution 11863: The factor() Function Algorithm on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
...ds include the well-known factorizations of binomials and quadratics, together with methods described by Geddes, Czapor and Labahn, "Algorithms for Computer Algebra", Kluwer Academic Publishers, Boston, 1992. Laguerre's method is used for approximate polynomial factorization. (Press et. al: "...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11863
Solution 12117: Cause of the Signature Error on the TI-89 Family, TI-92 Plus, or Voyage™ 200 Graphing Calculators.
... a TI-89 family, TI-92 Plus, or Voyage 200 graphing calculator? When sending the operating system to a TI-89 family, TI-92 Plus, or Voyage 200 from a computer, the calculator must be on the Home screen. The signature error message will appear if the calculator is put in Receive mode. The only ti...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/12117
Solution 10573: Teacher Support for Australian Educators.
...a PO Box 598 Mt Waverley VIC 3149 Australia Teachers Support Line 1300 138 140 Tel: (03) 8540 5200 Fax: (03) 8540 5222 Email: teacher-support@list.ti.com New Zealand Texas Instruments Education & Productivity Solutions PO Box 598 Mt Waverley VIC 3149 Australia Teachers Support Line 0800 770 111 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10573
Solution 10410: Algorithm for the Solver Function on the TI-85 and TI-86.
...the function evaluates to about -3E-13 (-12.5 on the graph). However, in the range of about +/- 2E-7 either side of x=-1, the function evaluation becomes erratic, with exact zero evaluations where pixels are blank and evaluations with positive sign at the top of the graph. The width of this e...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10410
Solution 10400: Calculating the Inverse Sine of 2 Using the TI-85.
...ducts Knowledge Base Knowledge Base Search Why does the TI-85 return an answer for the inverse sine of 2? For complex numbers x+iy, the sine function is defined as sin(x+iy) = sin(x)cosh(y)+icos(x)sinh(y). Note: cosh(y) = (ey + e-y)/2 and sinh(y) = (ey ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10400
Solution 10392: Transferring Programs or Data Between a TI-82 and TI-83.
... data and programs from a TI-82 to a TI-83. However, differences between the two products may affect some transmitted data. The table below shows the commands the TI-83 software automatically adjusts to when received from a TI-82. TI-82 TI-83 ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10392
Solution 11595: Displaying of a Numeric Answer Instead of a Symbolic Answer when Using the Integration Function on the TI-89 Family, TI-92 Family, or Voyage™ 200 Graphing Calculators.
...riable or use a different variable in the calculation. Variables can be deleted by pressing [F6][ENTER] from the home screen or by using the DelVar command. The calculator resorted to a numerical approach to find the solution for the problem. This could happen when the problem being solved is...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11595
Solution 10358: Transferring Information from the TI-85 to the TI-86.
...The TI-86 can be directly linked to the TI-85. All information can be sent from the TI-85 to the TI-86. Numeric data (lists, matrices, vectors, real, complex numbers, etc.) can be sent from the TI-86 to the TI-85. Variables that contain too many elements will be truncated at the TI-85's limit.Not...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/10358
Solution 35675: Connecting 60 Devices With USB 3.0 Ports Using TI-Nspire™ CX Docking Station.
...Search Why am I unable to connect all 60 devices on a USB 3.0 port using TI-Nspire CX Docking Station? Problem USB 2.0 and USB 3.0 ports are compatible and appear very similar. However, there are differences. USB 3.0 ports supports maximum of 30 devices including internal hubs. This mean...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/35675
Solution 11856: Definition of the ClrHome Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.
Solution 11856: Definition of the ClrHome Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators. Solution 11856: Definition of the ClrHome Function on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators. global Solution 11856: Definition of the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11856
Solution 11130: Availability of A Hard Copy Voyage™ 200 Guidebook.
... Knowledge Base Knowledge Base Search Is there a hard copy of the Voyage 200 guidebook available? The Voyage 200 does not come with a full printed guidebook. The Voyage 200 is an upgrade to the TI-92 Plus. The functions and commands for the TI-92 Plus are found on the ...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/11130
Solution 10587: Differences Between the TI-86 and the TI-89 Family Graphing Calculators.
...main differences between the TI-86 and the TI-89 family graphing calculators? The TI-86, being a discontinued calculator, has a number of different recommended replacements. For engineering and AP courses, the TI-89 Titanium and TI-Nspire CX II CAS are the recommended substitutes. For general m...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10587
Solution 11168: Using the TI-GRAPH LINK™ Software to Write Programs for the Voyage™ 200 Graphing Calculator.
...lator? The TI-GRAPH LINK Software for the TI-92 Plus can be used to write programs for the Voyage 200. There are some issues concerning linking and communication from the TI-GRAPH LINK Software. The solution to this is to write programs using the TI-GRAPH LINK Software for the TI-92 Plus, sav...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/product-usage/11168
Solution 10465: Simplifications Running Slow on the TI-92 Family
... fractional powers, and cancellation of hidden factors between non-numeric numerators and denominators. In some cases, intermediate expressions can become quite large despite modest inputs and final results. If a problem is taking an unacceptable amount of time: • Try using a different mode, su...https://education.ti.com/en/customer-support/knowledge-base/other-graphing/general-information/10465